皮皮学，免费搜题
登录
搜题
【判断题】
网络上的信息都是有用的、有益的。()A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】A cartoon series on Confucius was aired on TV, _____ the thinker was a 10-year-old boy, not an old man.
A.
from which
B.
in which
C.
from it
D.
in it
【简答题】凸轮机构的压力角越小，有效分力（），机构的传动性能（）。
【简答题】阅读理解。 Each time I see a balloon, my mind flies back to a memory of when I was a six-year-old girl. It was a rainy Sunday and my father had recently died. I asked my mom if Dad had gone to heaven. 'Yes...
【单选题】—How old is Steve? —He is ____________ and he has an ___________ sister.
A.
13-year-old; 10 years old
B.
13 years old; 11-year-old
C.
13 years old; 10-years-old
D.
13-years-old; 11-years-old
相关题目：